Rewrite IFFE in simple object notation
Rewrite IFFE in simple object notation

Also delete commented, unused functions

OptiBots/Sentimental,nsluss/Sentimental,nsluss/Sentimental,atj1979/Sentimental,atj1979/Sentimental,atj1979/Sentimental,nsluss/Sentimental,OptiBots/Sentimental,OptiBots/Sentimental